Functional test: blocking an email that was sent too many messages
Functional test: blocking an email that was sent too many messages

The test looks like this:

1. clear all blocked emails
2. check that the account is not blocked
3. use the /check endpoint to simulate password resets via email
4. check that the email gets blocked
5. wait until the block expires
6. check that we're no longer blocked

dannycoates/fxa-customs-server,ReachingOut/fxa-customs-server,mozilla/fxa-customs-server,dannycoates/fxa-customs-server,ReachingOut/fxa-customs-server,chilts/fxa-customs-server,chilts/fxa-customs-server,ofer43211/fxa-customs-server,ofer43211/fxa-customs-server,mozilla/fxa-customs-server